260 lines
9.0 KiB
Python
260 lines
9.0 KiB
Python
# -*- coding: utf-8 -*-
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from os import path
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from django.conf import settings
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from django.utils.timezone import now
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from django.core.urlresolvers import reverse
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from django.core.cache import cache
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from django.db import models
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from django.template.defaultfilters import slugify
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from django.utils.safestring import mark_safe
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from django.utils.translation import get_language, ugettext as _
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from django.core.exceptions import ValidationError
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from kasu.image_models import ImageModel
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from utils import STATUS_CHOICES, STATUS_WAITING, STATUS_PUBLISHED, \
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cleaner
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CONTENT_CHOICES = (
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(0, u'Django View'),
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(1, u'HTML'),
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(2, u'PDF')
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)
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def get_upload_path(instance, filename):
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"""
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Generates the desired file path and filename for an uploaded Image.
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With this function Django can save the uploaded images to subfolders that
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also have a meaning for humans.
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@param instance: an Django Object for which the Image has been uploaded.
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@type instance: a instace of an models.Model sub-class.
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@param filename: The filename of the uploaded image.
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@type filename: String
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"""
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extension = filename[filename.rfind('.') + 1:]
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if isinstance(instance, Category):
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return "categories/%s.%s" % (instance.slug, extension)
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class ArticleManager(models.Manager):
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def published(self):
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return self.filter(status=STATUS_PUBLISHED, date_created__lte=now())
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class Article(ImageModel):
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headline_de = models.CharField(_('Headline'), max_length=255)
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headline_en = models.CharField('Headline', max_length=255, blank=True)
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content_de = models.TextField(_('Content'))
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content_en = models.TextField('Content', blank=True)
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category = models.ForeignKey('Category', verbose_name=_('Category'))
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image = models.ImageField(_('Image'), upload_to='news/',
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blank=True, null=True)
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slug = models.SlugField(_('Slug'), unique_for_month='date_created')
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author = models.ForeignKey(settings.AUTH_USER_MODEL,
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verbose_name=_('Author'))
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status = models.SmallIntegerField(_('Status'), choices=STATUS_CHOICES,
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default=STATUS_PUBLISHED)
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date_created = models.DateTimeField(_('Created'), blank=True)
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date_modified = models.DateTimeField(_('Modified'), auto_now=True)
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objects = ArticleManager()
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class Meta(object):
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verbose_name = _('Article')
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verbose_name_plural = _('Articles')
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ordering = ('-date_created',)
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def clean(self):
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if not self.date_created:
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self.date_created = now()
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if not self.slug:
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self.slug = slugify(self.headline_de)[:50]
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self.content_de = cleaner.clean_html(self.content_de)
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self.content_en = cleaner.clean_html(self.content_en)
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def __unicode__(self):
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return self.headline
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@property
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def posting_image(self):
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if self.image:
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return self.article
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else:
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return self.category.article
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def get_absolute_url(self):
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kwargs = {
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'year': self.date_created.strftime('%Y'),
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'month': self.date_created.strftime('%m'),
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'slug': self.slug,
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}
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return reverse('show-article', kwargs=kwargs)
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@property
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def headline(self):
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headline = getattr(self, "headline_%s" % get_language())
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if not headline:
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return mark_safe(self.headline_de)
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else:
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return mark_safe(headline)
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@property
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def content(self):
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content = getattr(self, "content_%s" % get_language(), self.content_de)
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if not content:
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return mark_safe(self.content_de)
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else:
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return mark_safe(content)
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class Page(models.Model):
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"""
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Eine Seite auf der Homepage. Sie kann eine "statische" HTML Seite,
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die URL einer dynamische Django View, oder ein PDF Dokument sein.
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Jede Seite kann neben Deutsch auch auf Englisch angeboten werden.
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Ist keine englische Übersetzung vorhanden, wird die deutsche Version
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angeboten.
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"""
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menu_name_de = models.CharField(
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'Menü Name',
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max_length=255,
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help_text=_('The short name for the menu-entry of this page')
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)
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menu_name_en = models.CharField(
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'Menu Name',
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max_length=255,
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blank=True,
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help_text=_('The short name for the menu-entry of this page')
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)
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title_de = models.CharField('Titel', max_length=255,
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help_text=_(
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'This title appears in the HTML header'))
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title_en = models.CharField('Title', max_length=255, blank=True,
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help_text=_(
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'This title appears in the HTML header'))
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slug = models.SlugField(_('slug'))
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path = models.CharField(_('Path'), max_length=100, db_index=True,
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editable=False, unique=True)
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parent = models.ForeignKey('self', blank=True, null=True,
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related_name='subpages',
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on_delete=models.SET_NULL)
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position = models.PositiveSmallIntegerField(_('Position'),
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blank=True, null=True)
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status = models.SmallIntegerField(_('status'), choices=STATUS_CHOICES,
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default=STATUS_WAITING)
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content_type = models.IntegerField(choices=CONTENT_CHOICES)
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content_de = models.TextField('Inhalt', blank=True)
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content_en = models.TextField('Content', blank=True)
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enable_comments = models.BooleanField(_('enable comments'), default=True)
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template = models.CharField(_('Template'), max_length=100,
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default="content/page.html")
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pdf_de = models.FileField(upload_to='pdf/de/', blank=True, null=True)
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pdf_en = models.FileField(upload_to='pdf/en/', blank=True, null=True)
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def __unicode__(self):
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return u'%s' % self.title
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@property
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def content(self):
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cont = getattr(self, "content_%s" % get_language()) or self.content_de
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return mark_safe(cont)
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@property
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def css_class(self):
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return CONTENT_CHOICES[self.content_type][1].lower().replace(' ', '_')
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@property
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def menu_name(self):
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return getattr(self,
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"menu_name_%s" % get_language()) or self.menu_name_de
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@property
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def pdf_file(self):
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return getattr(self, "pdf_%s" % get_language()) or self.pdf_de
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@property
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def title(self):
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return getattr(self, "title_%s" % get_language()) or self.title_de
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def clean(self):
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if self.parent is None:
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self.path = self.slug
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else:
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self.path = path.join(self.parent.path, self.slug)
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if self.content_type is None:
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if self.pdf_de:
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self.content_type = 2
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if self.content_de:
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self.content_type = 1
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else:
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self.content_type = 0
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if self.content_type == 1:
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self.content_de = cleaner.clean_html(self.content_de)
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self.content_en = cleaner.clean_html(self.content_en)
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elif self.content_type == 2 and not self.pdf_de.name:
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raise ValidationError(
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_(u'Please upload a PDF-File to this PDF-Page.'))
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def get_absolute_url(self):
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aboslute_url = '/' + self.path
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if self.content_type == 1:
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aboslute_url += '.html'
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elif self.content_type == 2:
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aboslute_url += '.pdf'
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else:
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aboslute_url += '/'
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return aboslute_url
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class Meta(object):
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ordering = ['parent__id', 'position']
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unique_together = (('slug', 'parent'),)
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verbose_name = _('Page')
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verbose_name_plural = _('Pages')
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class Category(ImageModel):
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name_de = models.CharField(_('Name'), max_length=80)
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name_en = models.CharField(_('Name'), max_length=80, blank=True)
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description_de = models.TextField(_('Description'))
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description_en = models.TextField(_('Description'), blank=True)
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image = models.ImageField(_('Image'), upload_to='news/categories/',
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blank=True, null=True)
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slug = models.SlugField(_('Slug'), unique=True, db_index=True)
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class Meta(object):
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ordering = ('slug',)
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verbose_name = _('Category')
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verbose_name_plural = _('Categories')
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@property
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def name(self):
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return getattr(self, "name_%s" % get_language(), self.name_de)
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@property
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def description(self):
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return getattr(self, "description_%s" % get_language(),
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self.description_de)
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def get_absolute_url(self):
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return reverse('article-archive', kwargs={'category': self.slug})
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def __unicode__(self):
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return self.name
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def force_cache_update(sender, instance, **kwargs):
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for page in instance.subpages.all():
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page.clean()
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page.save()
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cache.delete('all_pages')
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cache.delete('top_level_pages')
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models.signals.post_delete.connect(force_cache_update, sender=Page)
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models.signals.post_save.connect(force_cache_update, sender=Page)
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